Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guenther RibafiledCriticalGuenther Riba
Priority claimed from PCT/EP1987/000138external-prioritypatent/WO1987005681A1/en
Application grantedgrantedCritical
Publication of ATE58217T1publicationCriticalpatent/ATE58217T1/en